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Finding the Fourth Proportional to 29,472.27, 40,672.40 and 16,726.29

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Solution

The fourth proportional to 29,472.27, 40,672.40 and 16,726.29 is: 23,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,472.27 : 40,672.40 = 16,726.29 : x
  2. Step 2: Convert to fraction form
    29,472.27/40,672.40 = 16,726.29/x
  3. Step 3: Cross multiply
    29,472.27x = 40,672.40 × 16,726.29
  4. Step 4: Simplify right side
    29,472.27x = 680,298,273.76
  5. Step 5: Solve for x
    x = 680,298,273.76/29,472.27
  6. Step 6: Final answer
    x = 23,082.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.